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Exchange 2007 Transition from 2003, Unable to relay from 2003 to 2007, receive 550 5.7.1 error

Hi,
We currently are in transition from Exchange 2003 all run on one server to Exchange 2007 running on 2 servers with the front end server having the only role as being the edge server setup in the perimeter network. The mailboxes and public folders are all kept on the other exchange 2007 server as well as doing the remainder of the roles too (ie Hub Transport, Client Access, etc.)

I moved a few mailboxes over to my Exchange07 server without a problem, but most of my mailboxes still live on the Exchange03 server. I am having a flow problem as follows.
Flows:
Exchange03 to outside                       OK
Exchange03 to Exchange03                OK
Exchange03 to Exchange07                 NDR (unable to relay)

Exchange07 to outside                        OK
Exchange07 to Exchange07                OK
Exchange07 to Exchange03                 OK

The NDR error I receive is: You do not have permission to send to this recipient.  For assistance, contact your system administrator.
            <mail.****.com #5.7.1 smtp;550 5.7.1 Unable to relay for testing@*****.com>

How do I solve this? Thanks is advance!
0
kvchmis
Asked:
kvchmis
1 Solution
 
Narayan_singhCommented:
If there is smart host in smtp virtual server in Ex2003 ... remove it.
Make sure you have annonymous authentication selected on Default receive connector.
0
 
kvchmisAuthor Commented:
Thanks Narayan singh, I do not have a smart host listed in the virtual server in Exchange03. I also have all boxes checked in the default receive connector including annonymous authenitication. Same error as before though.
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Pret0rianCommented:
Read this article.

http://msexchangeteam.com/archive/2006/12/28/432013.aspx

You have to grant the ralay permission with the get-receiveconnector and set-adpermission command

Look in the bottom of the article.

/Remi
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Glen KnightCommented:
It should work with no configuration at all.
Check the permissions on the Client receive connector in Exchange Management Console > Server Configuration > Hub Transport

are all servers part of the same Exchange Organisation?
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Glen KnightCommented:
If you use outlook web access to send the message what happens?
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kvchmisAuthor Commented:
Same issue with OWA. I did check the permissions in the client recieve connector, I don't understand what I should be checking in there. I have all the boxes checked w/ exception of "Partners".
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kvchmisAuthor Commented:
We did get this resloved.  We removed the front end server to reduce points of failure.  We will put it back later.  We had to recreate the routing group connector then mail began flowing.  

Thanks for all the input everyone.
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Glen KnightCommented:
Excellent!
Well done!

Make sure you close the question down.
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